Find the scale.
(a) Actual size 12 m
Drawing size 3 cm
(b) Actual size 45 feet
Drawing size 5 inches

Solution:

(a) Using scale = size drawn/ actual size

= 3/12

= 1/4

= 1 cm: 4 m

(b) Using scale = size drawn/ actual size

= 5/45

= 1/ 9

= 1 inches: 9 feet

Therefore, the scale is 1 cm: 4 m and 1 inches: 9 feet.

✦ Try This: Find the scale.

(a) Actual size 10 m

Drawing size 2 cm

(b) Actual size 40 feet

Drawing size 8 inches

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 10

NCERT Exemplar Class 8 Maths Chapter 6 Problem 101

Find the scale. (a) Actual size 12 m, Drawing size 3 cm (b) Actual size 45 feet, Drawing size 5 inches

Summary:

The scale is 1 cm: 4 m and 1 inches: 9 feet.

☛ Related Questions:

• In the given figures, identify the different shapes involved
• What figure is formed if only the height of a cube is increased or decreased
• Use isometric dot paper to draw each figure. (a) A tetrahedron. (b) A rectangular prism with length . . . .